Method for ultrasonic guided wave quantitative imaging in form of variable array
US11768180B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2023 |
| Grant date | Sep 26, 2023 |
| Priority date | — |
| Expiry date | Feb 28, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30108
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present disclosure relates to a method for ultrasonic guided wave quantitative imaging in a form of variable array and belongs to the technical field of ultrasonic non-destructive testing. The method includes: converting a non-linear lippmann-Schwinger equation into a form of linear summation by a method of moments; and selecting acquisition arrays with different numbers of probes to measure a scattered field signal, and modifying Green's functions by variable born approximation for continuous iterations to approximate a true solution, so as to obtain a final objective function Ok to be solved. According to the present disclosure, by adjusting the arrays, the number of probes and appropriate solution algorithm can be selected based on the testing accuracy; and the method can achieve quantitative evaluation of non-destructive testing, and can be widely used in practical guided wave testing applications of industrial non-destructive testing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.